PPN activity is consistently reported in both attention and consciousness studies [1]}. The latter publication proposes that
the PPN can be viewed as a “core correlate” of consciousness. [2]} defines consciousness as “global information sharing” where information has entered into a specific storage area that makes it
available to the rest of the brain.
Christof Koch and colleagues argue that the posterior hot zone (PHZ) is the minimal neural substrate essential for conscious perception [3]}. The PHZ includes sensory cortical areas in the parietal, temporal, and occipital lobes. We would relate to these discussions with the following proposition.
